Which of the following is responsible for production of shadow?
Detailed Explanation:
Shadows are formed because light travels in straight lines, a property called rectilinear propagation.
When an opaque object blocks light's path, it cannot bend around the obstacle, creating a dark region (shadow) behind it. Polarisation relates to wave orientation, diffraction to bending at edges, and interference to wave overlap patterns—none directly cause shadows.
Question 4 of 11 Light and Optics
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